docs: def get_client_settings_env(**_):
      """Retrieve client settings from environment settings.
  
          :param \\*\\*kwargs: Arguments that are passed into the client instance
      """
  
      return {
          'proxy': os.environ.get('https_proxy'),
          'username': os.environ.get('SL_USERNAME'),
          'api_key': os.environ.get('SL_API_KEY'),
      }